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Small rectangular metal box with RJ-45 and LC ports on one side, matte finish, compact size

Allied Telesis

Allied Telesis AT-MMC2000/LC-960 media converter

SKU CH-5NK6-WBT0V MPN AT-MMC2000/LC-960

Gigabit Ethernet to fibre converter with RJ-45 to LC media conversion at 850 nm supporting 50/125 µm and 62.5/125 µm cable up to 500 m

  • Device TypeConverter
  • Media ConversionRJ-45 - LC
  • Wavelength850nm
  • Fiber Cable50/125µm, 62.5/125µm
  • Ports10/100/1000Base-T
  • Max Distance500m
  • Gigabit copper to LC fibre conversion up to 500 m
  • Converts both media type and link speed automatically
  • 2 K MAC table with store-and-forward switching
  • Auto-negotiation and Auto MDI/MDIX on RJ-45 port
  • Compact 2.16" x 4.00" x .86" wall-mountable design

Mini media converter for copper-to-fibre links

The Allied Telesis AT-MMC2000/LC-960 converts between 10/100/1000Base-T RJ-45 and LC duplex fibre at 850 nm. It supports 50/125 µm and 62.5/125 µm multimode cable up to 500 m. The unit also performs rate conversion, so differing copper and fibre speeds can interoperate. It suits installers extending LAN segments over fibre in commercial buildings.

Fanless operation from 0 °C to 50 °C

The converter runs without a fan across the full 0 °C to 50 °C (32 °F to 122 °F) range and 5 % to 95 % relative humidity non-condensing. A 12 VDC locking power jack prevents accidental disconnects. Store-and-forward switching with a 2 K MAC table keeps latency predictable. Power draw stays low enough for standard wall-wart supplies.

Wall-mount kit and Smart MissingLink

An optional MMCWLMT bracket lets the device mount on a wall or DIN rail. Smart MissingLink propagates link-loss status between the copper and fibre ports so upstream switches detect failures quickly. Far End Fault on the fibre port adds another failure signal. LED indicators show link and activity per port, and 10 K byte jumbo frames pass transparently.

Highlights

  • Gigabit copper to LC fibre conversion up to 500 m
  • Converts both media type and link speed automatically
  • 2 K MAC table with store-and-forward switching
  • Auto-negotiation and Auto MDI/MDIX on RJ-45 port
  • Compact 2.16" x 4.00" x .86" wall-mountable design

Specifications

BrandAllied Telesis
ModelAT-MMC2000/LC-960
Device TypeConverter
Media ConversionRJ-45 - LC
Wavelength850nm
Fiber Cable50/125µm, 62.5/125µm
Ports10/100/1000Base-T
Max Distance500m
Temperature0°C to 50°C (32°F to 122°F)
Humidity5% to 95% relative humidity (non-condensing)
FeatureConvert speed as well as media type
2K MAC address tables
Store-and-forward switching mode
Transparent to IEEE 802.1Q packets
Auto Negotiation and Auto MDI/MDIX on copper port
IEEE support on copper
Far End Fault on Fiber
10K byte Jumbo packets
Link/Activity LED per port
Smart MissingLink
Fixed SC/ST/LC or SFP (100MB or 1000MB) optics
12VDC power supply
Wall-mountable using MMCWLMT
Locking power supply jack to prevent accidental power disconnects
Available in Trade Agreement Act (TAA) models
Dimensions2.16" x 4.00" x 0.86"
Weight6 oz.
Shipping weight0.50 kg
Package size152 × 127 × 51 mm

Questions about this item

How do I install the AT-MMC2000/LC-960 and which step is often missed?

Connect the 12VDC power supply to the locking jack, insert LC fiber and RJ-45 cables, then secure the unit with the MMCWLMT wall-mount kit; the step often missed is snapping the locking power jack fully to prevent accidental disconnects.

What maintenance or replacement will the AT-MMC2000/LC-960 need later?

The 12VDC power supply and LC fiber patch cords are the only field-replaceable parts; the converter itself has no moving components or user-serviceable internals.

What limit appears first on the AT-MMC2000/LC-960 under sustained load?

The 500 m multimode fiber reach at 850 nm and the 0 °C to 50 °C operating temperature range are the first constraints under continuous traffic.

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